Final answer:
The definition of the word 'lower' in a specific context depends on how it's used within the sentence. Options provided offer different meanings, such as reducing cost, decreasing height or level, making a sound quieter, or diminishing status. The correct definition can be identified with the proper context from the text.
Step-by-step explanation:
The question is asking which sense of the word lower is used in a given context. Without the specific line from the text, it's impossible to provide a definitive answer. However, I can explain what each option means:
- Option 1: to reduce cost - implies making something less expensive.
- Option 2: to let, move or bring down - suggests physically moving something to a lower position or decreasing its height or level.
- Option 3: to reduce the loudness of a sound - means making a sound quieter.
- Option 4: to bring down in rank or opinion - refers to diminishing someone's status or the regard in which they are held.
Without the context of how the word 'lower' is used in line 9, we cannot choose the correct definition. However, once the specific line is provided, you can look for clues within the sentence and surrounding sentences to determine which option fits best.